How Much Baking Soda Does It Take to Kill You?

The quantity of baking soda required to kill a human being by overdose varies from person to person based on several factors including age, weight, general medical condition and specific allergies, according to Medline Plus. Chemically, baking soda is sodium bicarbonate--available as a common kitchen ingredient and as a medicine.

An overdose of baking soda in any form can cause several life-threatening complications including seizures, muscle spasms, vomiting, diarrhea and congestive heart failure, according to Sodium bicarbonate is particularly dangerous in large quantities to people suffering from congestive heart disease, kidney failure, liver disease, and medical conditions such as high sodium retention, low calcium retention and high blood pressure, according to WebMD.